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Financial Instruments - Summary of Financial Instruments Measured at Fair Value (Parenthetical) (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Other Investments - Equity Securities (FVOCI) [Member] |  |
Disclosure Of Financial Instruments [Line Items] |  |
Forecast EBITDA margin, Significant unobservable inputs |  | 17.00%
Risk adjusted discount rate, Significant unobservable inputs |  | 17.00%
Other Liabilities Related to Business Combination [Member] |  |
Disclosure Of Financial Instruments [Line Items] |  |
Risk adjusted discount rate, Significant unobservable inputs | 10.20% | 10.20%
Expected cash flow | $ 11,025 | $ 17,054
Bottom of Range [Member] | Other Investments - Equity Securities (FVOCI) [Member] |  |
Disclosure Of Financial Instruments [Line Items] |  |
Forecast annual revenue growth rate, Significant unobservable inputs |  | 4.00%
Forecast EBITDA margin, Significant unobservable inputs |  | 3.00%
Risk adjusted discount rate, Significant unobservable inputs |  | 17.00%
Top of Range [Member] | Other Investments - Equity Securities (FVOCI) [Member] |  |
Disclosure Of Financial Instruments [Line Items] |  |
Forecast annual revenue growth rate, Significant unobservable inputs |  | 25.00%
Forecast EBITDA margin, Significant unobservable inputs |  | 25.00%

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